Halls, W. D.;
Redman, Stewart;
Ziegenbein, Andreas;
Sathyamurthy, T. V.;
Passow, A. Harry;
Dobinson, C. H.;
Osborne, Denis G.;
Phenix, Philip H.;
Parkyn, G. W.;
Hans, Nicholas;
Rosales, Victor Garcia Hoz y;
Pause, Gerhard;
Biggs, John;
Peaker, G. F.;
Clark, R. P.;
Muuss, Rolf;
Kahl, Peter W.;
Hilker, Franz